Catalan separatist leader Carles Puigdemont, who is being sought under a Spanish arrest warrant, has reportedly returned to exile in Belgium after a brief appearance in Barcelona. “Today I am in Waterloo after a few extremely difficult days,” the 61-year-old wrote on Friday evening on the platform X. He said he had travelled “thousands of kilometres in a few days” and still needed some time to rest. Puigdemont did not initially comment on his political future. At the same time, the politician criticized the Catalonian security authorities, stating that they had conducted a “witch hunt” against…